EPZ6438 is an orally bioavailable, selective inhibitor of the lysine methyltranferase EZH2 (Ki = 2.5 nM), the enzymatic subunit of polycomb repressive complex 2.{28475} It displays a 35-fold selectivity versus EZH1 and >4,500-fold selectivity relative to 14 other histone methyltransferases.{28475} EPZ6438 blocks histone H3 lysine 27 trimethylation in both wild-type and mutant lymphoma cells (IC50s range from 2-90 nM).{28476} EPZ6438 has been shown to induce apoptosis and differentiation specifically in SMARCB1-deleted malignant rhabdoid tumor cells and to promote their regression in xenograft-bearing mice.{28475}
产品描述
An orally bioavailable, selective inhibitor of EZH2 (Ki = 2.5 nM); blocks H3K27 trimethylation in both wild-type and mutant lymphoma cells (IC50s range from 2-90 nM); induces apoptosis and differentiation specifically in SMARCB1-deleted malignant rhabdoid tumor cells and promotes their regression in xenograft-bearing mice